July 28, 2014

NEW! GM 4L60-series Reinforced Input Housing Kits w/ Heavy Duty Input Shafts

Looking for a great upgrade for your GM 4L60-series high performance and heavy-duty applications? Introducing three, new Sonnax reinforced input housing kits with heavy duty input shafts! 

The specially heat-treated, steel shaft delivers additional strength and resistance to fracture, while the chamfered feed holes reduce stress. Each kit is designed to work with a stamped steel forward piston. 

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